summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/b43/main.h
blob: abac25ee958dad54f140c550ef62ba05bf2bc3ae (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
/*

  Broadcom B43 wireless driver

  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
                     Stefano Brivio <stefano.brivio@polimi.it>
                     Michael Buesch <m@bues.ch>
                     Danny van Dyk <kugelfang@gentoo.org>
                     Andreas Jaggi <andreas.jaggi@waterwave.ch>

  Some parts of the code in this file are derived from the ipw2200
  driver  Copyright(c) 2003 - 2004 Intel Corporation.

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; see the file COPYING.  If not, write to
  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  Boston, MA 02110-1301, USA.

*/

#ifndef B43_MAIN_H_
#define B43_MAIN_H_

#include "b43.h"

#define P4D_BYT3S(magic, nr_bytes)	u8 __p4dding##magic[nr_bytes]
#define P4D_BYTES(line, nr_bytes)	P4D_BYT3S(line, nr_bytes)
/* Magic helper macro to pad structures. Ignore those above. It's magic. */
#define PAD_BYTES(nr_bytes)		P4D_BYTES( __LINE__ , (nr_bytes))


extern int b43_modparam_verbose;

/* Logmessage verbosity levels. Update the b43_modparam_verbose helptext, if
 * you add or remove levels. */
enum b43_verbosity {
	B43_VERBOSITY_ERROR,
	B43_VERBOSITY_WARN,
	B43_VERBOSITY_INFO,
	B43_VERBOSITY_DEBUG,
	__B43_VERBOSITY_AFTERLAST, /* keep last */

	B43_VERBOSITY_MAX = __B43_VERBOSITY_AFTERLAST - 1,
#if B43_DEBUG
	B43_VERBOSITY_DEFAULT = B43_VERBOSITY_DEBUG,
#else
	B43_VERBOSITY_DEFAULT = B43_VERBOSITY_INFO,
#endif
};


/* Lightweight function to convert a frequency (in Mhz) to a channel number. */
static inline u8 b43_freq_to_channel_5ghz(int freq)
{
	return ((freq - 5000) / 5);
}
static inline u8 b43_freq_to_channel_2ghz(int freq)
{
	u8 channel;

	if (freq == 2484)
		channel = 14;
	else
		channel = (freq - 2407) / 5;

	return channel;
}

/* Lightweight function to convert a channel number to a frequency (in Mhz). */
static inline int b43_channel_to_freq_5ghz(u8 channel)
{
	return (5000 + (5 * channel));
}
static inline int b43_channel_to_freq_2ghz(u8 channel)
{
	int freq;

	if (channel == 14)
		freq = 2484;
	else
		freq = 2407 + (5 * channel);

	return freq;
}

static inline int b43_is_cck_rate(int rate)
{
	return (rate == B43_CCK_RATE_1MB ||
		rate == B43_CCK_RATE_2MB ||
		rate == B43_CCK_RATE_5MB || rate == B43_CCK_RATE_11MB);
}

static inline int b43_is_ofdm_rate(int rate)
{
	return !b43_is_cck_rate(rate);
}

u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev,
				  u8 antenna_nr);

void b43_tsf_read(struct b43_wldev *dev, u64 * tsf);
void b43_tsf_write(struct b43_wldev *dev, u64 tsf);

u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset);
u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset);
void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value);
void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value);

u64 b43_hf_read(struct b43_wldev *dev);
void b43_hf_write(struct b43_wldev *dev, u64 value);

void b43_dummy_transmission(struct b43_wldev *dev, bool ofdm, bool pa_on);

void b43_wireless_core_reset(struct b43_wldev *dev, bool gmode);

void b43_controller_restart(struct b43_wldev *dev, const char *reason);

#define B43_PS_ENABLED	(1 << 0)	/* Force enable hardware power saving */
#define B43_PS_DISABLED	(1 << 1)	/* Force disable hardware power saving */
#define B43_PS_AWAKE	(1 << 2)	/* Force device awake */
#define B43_PS_ASLEEP	(1 << 3)	/* Force device asleep */
void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags);

void b43_mac_suspend(struct b43_wldev *dev);
void b43_mac_enable(struct b43_wldev *dev);
void b43_mac_phy_clock_set(struct b43_wldev *dev, bool on);


struct b43_request_fw_context;
int b43_do_request_fw(struct b43_request_fw_context *ctx, const char *name,
		      struct b43_firmware_file *fw, bool async);
void b43_do_release_fw(struct b43_firmware_file *fw);

#endif /* B43_MAIN_H_ */